Beethoven in the Rockies, a concert series based in Greeley, Colorado, starts its first concert this Friday night at the UNC Campus Commons Performance Hall with the Colorado Piano Trio, UNC Asian Mixed Ensemble, and the Greeley Chamber Orchestra.Beethoven in the Rockies, a concert series based in Greeley, Colorado, starts its first concert this Friday night at the UNC Campus Commons Performance Hall with the Colorado Piano Trio, UNC Asian Mixed Ensemble, and the Greeley Chamber Orchestra.